Homestead Purple Verbena
Honey Bush
Honey Myrtle, Granite-Bottlebrush
Honeywort
Hopseed Bush, 'a'li'i
Horsetail Reed
Horsetail Tree
Howard McMinn Manzanita
Huachuca Agave, Orange Century Plan
Hummingbird Sage, Pitcher Sage
Huntington Carpet Rosemary
Hybrid Daylily (various)
Hybrid Gazanias
Hybrid Halimiocistus
Hybrid Naked Lady
Hybrid Tea Rose (selections)
Iceberg Floribunda Rose
Iceland Poppy
Idaho Fescue
Idaho Locust
